| Geyser | 1976-04-12 |
|---|---|
| Beehive | 1213 ie |
| Beehive's Indicator | 0723 ie, 1150 ie, 1908 ie |
| Bonita Pool | 1800 |
| Daisy | 1800 |
| Depression | 0755 |
| Lion | 0746 |
| Values for Old Faithful Area | 1976-04-12 |
|---|---|
| Astronomical Twilight Begin | 03:58 |
| Nautical Twilight Begin | 04:37 |
| Civil Twilight Begin | 05:13 |
| Sunrise | 05:43 |
| Sunset | 19:04 |
| Civil Twilight End | 19:34 |
| Nautical Twilight End | 20:10 |
| Astronomical Twilight End | 20:49 |
| Moon Illumination | 92.68% |